Hi TunnelEyes, and welcome to the forum.
if you're both searching for healing, together and separately, it can work imo. As long as you're both safe, and learning from mistakes.
I agree with Three Roses on that.
My husband and I have both cptsd although with him it's a milder form. We are very happy together even though we separately have big problems to deal with. Certainly, sometimes its hard to not get "infected" when the other has a very hard time. But overall, we just "fit" perfectly as a couple ( I had loads of short relationships with "healthier" boyfriends before and it never worked).
I know that this may be rare luck. But you can just find out by trying, in my opinion.